Re: Configuring /etc/apt/preferences

From: Vincent Lefevre (vincent_at_vinc17.org)
Date: 04/25/04

  • Next message: Kenneth Macdoald Karlsen: "Re: kernel 2.6.X and cdrecord / xcdroast" 
    Date: Sun, 25 Apr 2004 10:41:31 +0200
To: Debian User List <debian-user@lists.debian.org>

    On 2004-04-23 20:39:27 +0200, Andrei Badea wrote:
    > I tried to change /etc/apt/preferences to this (one single rule):
    >
    > Package: *
    > Pin: origin ftp.cz.debian.org
    > Pin-Priority: 999
    >
    > in order to increase the priority, just to see what would happen.
    > Unfortunately nothing, on apt-cache policy I get the same list that I
    > posted before. All sources have the same priority 990. Maybe the
    > "origin" syntax is wrong?

    You probably need the scheme too (e.g. ftp://ftp.cz.debian.org)
    and possibly more (the full path after "deb" or "seb-src" in
    /etc/apt/sources.list). But I've never tried.

    > >This 990 may come from that [from apt_preferences(5)]:
    > >
    > > priority 990
    > > to the versions that are not installed and belong to the target
    > > release.
    > >
    > >(whatever the source...).
    >
    > Indeed, I set the target release to unstable in apt.conf.

    I avoid that by not using any target release in apt.conf, as it is
    useless (and possibly harmful[*]) when using preferences.

    [*] For instance, this could prevent security updates from being applied.

    My /etc/apt/preferences file:

    Package: *
    Pin: release a=stable
    Pin-Priority: 900

    Package: *
    Pin: release a=testing
    Pin-Priority: 900

    Package: *
    Pin: release a=unstable
    Pin-Priority: 200

    to track both stable and testing by default (the testing version is
    more recent, so that I get this one, except when the versions in stable
    and testing are the same and there is a security update, in which case
    I get this security update). And I allow unstable packages, which I can
    install with "apt-get install -t unstable". 

    -- 
Vincent Lefèvre <vincent@vinc17.org> - Web: <http://www.vinc17.org/>
100% validated (X)HTML - Acorn / RISC OS / ARM, free software, YP17,
Championnat International des Jeux Mathématiques et Logiques, etc.
Work: CR INRIA - computer arithmetic / SPACES project at LORIA
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  • Next message: Kenneth Macdoald Karlsen: "Re: kernel 2.6.X and cdrecord / xcdroast"

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